<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input v-model="form.name" clearable placeholder="请输入内容" class="search-main" />
      <el-button type="primary" @click="search">查询</el-button>
    </div>
    <div class="create-container">
      <el-button type="primary" @click="$router.push('/exterpriseAdd')">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="parkList" @expand-change="expandHandle">
        <el-table-column type="expand">
          <template #default="{row}">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column label="合同状态" prop="status" />
              <el-table-column label="操作" width="180">
                <template #default="scope">
                  <el-button size="mini" type="text">续租</el-button>
                  <el-button size="mini" type="text">退租</el-button>
                  <el-button size="mini" type="text">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column type="index" label="序号" />
        <el-table-column label="企业名称" width="320" prop="name" />
        <el-table-column label="联系人" prop="contact" />
        <el-table-column
          label="联系电话"
          prop="contactNumber"
        />
        <el-table-column label="操作">
          <template #default="{row}">
            <el-button size="mini" type="text" @click="addRent(row.id)">添加合同</el-button>
            <el-button size="mini" type="text">查看</el-button>
            <el-button size="mini" type="text" @click="$router.push(`/exterpriseAdd/${row.id}`)">编辑</el-button>
            <el-button size="mini" type="text" @click="del(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="page-container">
      <el-pagination
        :page-size="form.pageSize"
        :total="total"
        layout="total, prev, pager, next"
        @current-change="pageChange"
      />
    </div>
    <el-dialog
      title="添加合同"
      :visible="rentDialogVisible"
      width="580px"
      @close="closeDialog"
    >
      <!-- 表单模版 -->
      <div class="form-container">
        <el-form ref="addForm" :model="rentForm" :rules="rentRules" label-position="top">
          <el-form-item label="租赁楼宇" prop="buildingId">
            <el-select v-model="rentForm.buildingId" placeholder="请选择">
              <el-option
                v-for="item in buildList"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
          <el-form-item label="租赁起止日期" prop="rentTime">
            <el-date-picker
              v-model="rentForm.rentTime"
              type="daterange"
              range-separator="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              value-format="yyyy-MM-dd"
            />
          </el-form-item>
          <el-form-item label="租赁合同" prop="contractId">
            <el-upload
              action="#"
              :http-request="uploadHandle"
            >
              <el-button size="small" type="primary" plain>上传合同文件</el-button>
              <div slot="tip" class="el-upload__tip">支持扩展名：.doc .docx .pdf, 文件大小不超过5M</div>
            </el-upload>
          </el-form-item>
        </el-form>
      </div>
      <template #footer>
        <el-button size="mini" @click="closeDialog">取 消</el-button>
        <el-button size="mini" type="primary" @click="confirmAdd">确 定</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { getParkList, delExterprise, getRentBuildList, upload, createRent, getRentList } from '@/api/park'
export default {
  name: 'Enterprise',
  data() {
    return {
      form: {
        name: '',
        page: 1,
        pageSize: 5
      },
      total: 0,
      parkList: [], // 企业列表
      buildList: [], // 楼宇选择器列表
      rentDialogVisible: false, // 添加合同弹层的显示与隐藏
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [] // 合同时间
      },
      rentRules: {
        buildingId: [
          { required: true, message: '请选择楼宇', trigger: 'change' }
        ],
        rentTime: [
          { required: true, message: '请选择租赁日期', trigger: 'change' }
        ],
        contractId: [
          { required: true, message: '请上传合同文件' }
        ]
      }

    }
  },
  created() {
    this.getEnterpriseList()
  },
  methods: {
    // 获取企业列表
    async getEnterpriseList() {
      const res = await getParkList(this.form)
      console.log(res)
      this.parkList = res.data.rows
      this.total = res.data.total
    },
    pageChange(page) {
      // 修改请求参数把更改后的页码赋值给params.page
      this.form.page = page
      // 重新请求数据
      this.getEnterpriseList()
    },
    search() {
      this.form.page = 1
      this.getEnterpriseList()
    },
    async del(id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消'
      }).then(async() => {
        await delExterprise(id)
        // 提示用户
        this.$message.success('删除成功')
        // 重新获取数据
        this.getEnterpriseList()
      }).catch((error) => {
        this.$message.error(error.response.data.msg)
      })
    },
    // 打开
    addRent(id) {
      this.rentDialogVisible = true
      this.rentForm.enterpriseId = id
      this.getBuildList() // 获取楼宇选择器列表
    },
    // 关闭
    closeDialog() {
      this.rentDialogVisible = false
    },
    // 获取楼宇选择器列表
    async getBuildList() {
      const res = await getRentBuildList()
      this.buildList = res.data
    },
    // 上传合同文件
    async uploadHandle(fileData) {
      // 1. 处理FormData
      const { file } = fileData
      const formData = new FormData()
      formData.append('file', file)
      formData.append('type', 'contract')
      // 2. 上传并赋值
      const res = await upload(formData)
      const { id, url } = res.data
      this.rentForm.contractId = id
      this.rentForm.contractUrl = url
      // 单独校验表单
      this.$refs.addForm.validate('contractId')
    },
    async confirmAdd() {
      await this.$refs.addForm.validate() // 校验表单
      const { buildingId, contractId, contractUrl, enterpriseId, type } = this.rentForm
      await createRent({ // 解构出添加合同需要的参数 发送请求
        buildingId, contractId, contractUrl, enterpriseId, type,
        startTime: this.rentForm.rentTime[0],
        endTime: this.rentForm.rentTime[1]
      })
      this.$message.success('添加成功') // 提示用户
      this.closeDialog() // 关闭弹层
    },
    // 2. 初始化时增加合同数据默认列表
    async getExterpriseList() {
      console.log('初始化时增加合同数据默认列表')
      const res = await getParkList(this.form)
      this.parkList = res.data.rows.map((item) => {
        return {
          ...item,
          rentList: [] // 每一行补充存放合同的列表
        }
      })
      this.total = res.data.total
    },

    // 3. 只有展开时获取数据并绑定
    async expandHandle(row, rows) {
      console.log('展开或关闭', row, rows)
      const isExpend = rows.find(item => item.id === row.id)
      if (isExpend) {
        const res = await getRentList(row.id)
        // eslint-disable-next-line require-atomic-updates
        row.rentList = res.data
      }
    }
  }
}
</script>

<style lang="scss" scoped>
.department-container {
  padding: 10px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  ;
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container{
  margin: 10px 0px;
}
.page-container{
  padding:4px 0px;
  text-align: right;
}
.form-container{
  padding:0px 80px;
}
</style>
